ABBA was a Swedish pop music group formed in Stockholm in 1972, consisting of Anni-Frid "Frida" Lyngstad, Björn Ulvaeus, Benny Andersson and Agnetha Fältskog. They became one of the most commercially successful acts in the history of popular music, topping the charts worldwide from 1972 to 1982. ABBA sold over 375 million records worldwide, making them the fourth best-selling popular music artist in the history of recorded music. They still sell two to three million albums a year. ABBA was the first pop gro...